Impeller arrangement for fermenter



FIG. 1 is a front view of a first embodiment of an impeller arrangement for fermenter showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view;

FIG. 7 is a front view of a second embodiment of an impeller arrangement for a fermenter showing my new design;

FIG. 8 is a rear view thereof;

FIG. 9 is a right side view thereof;

FIG. 10 is a left side view thereof;

FIG. 11 is a top view thereof; and,

FIG. 12 is a bottom view thereof. 

The ornamental design for an impeller arrangement for fermenter, as shown and described. 